JP2015502295A - Fluid dispenser - Google Patents

Fluid dispenser Download PDF

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JP2015502295A
JP2015502295A JP2014522139A JP2014522139A JP2015502295A JP 2015502295 A JP2015502295 A JP 2015502295A JP 2014522139 A JP2014522139 A JP 2014522139A JP 2014522139 A JP2014522139 A JP 2014522139A JP 2015502295 A JP2015502295 A JP 2015502295A
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fluid
discharge pipe
pump
fluid dispenser
pump chamber
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JP6087919B2 (en
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フレデリック デュケ
フレデリック デュケ
サンドラ マルティン−レ
サンドラ マルティン−レ
フランシス モロー
フランシス モロー
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Aptar France SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0035—Pen-like sprayers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0241—Drop counters; Drop formers
    • B01L3/0265—Drop counters; Drop formers using valves to interrupt or meter fluid flow, e.g. using solenoids or metering valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0241—Drop counters; Drop formers
    • B01L3/0272—Dropper bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0059—Components or details allowing operation in any orientation, e.g. for discharge in inverted position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1004—Piston pumps comprising a movable cylinder and a stationary piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1015—Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/109—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle the dispensing stroke being affected by the stored energy of a spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1094—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle having inlet or outlet valves not being actuated by pressure or having no inlet or outlet valve
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
    • G01F11/021—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type
    • G01F11/025—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type with manually operated pistons
    • G01F11/027—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the piston type with manually operated pistons of the syringe type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2300/00—Additional constructional details
    • B01L2300/08—Geometry, shape and general structure
    • B01L2300/0832—Geometry, shape and general structure cylindrical, tube shaped
    • B01L2300/0838—Capillaries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/04—Moving fluids with specific forces or mechanical means
    • B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
    • B01L2400/0457—Moving fluids with specific forces or mechanical means specific forces passive flow or gravitation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/04—Moving fluids with specific forces or mechanical means
    • B01L2400/0475—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure
    • B01L2400/0478—Moving fluids with specific forces or mechanical means specific mechanical means and fluid pressure pistons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/06—Valves, specific forms thereof
    • B01L2400/0605—Valves, specific forms thereof check valves
    • B01L2400/0616—Ball valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0037—Containers
    • B05B11/0038—Inner container disposed in an outer shell or outer casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Coating Apparatus (AREA)
  • Reciprocating Pumps (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)

Abstract

流体貯蔵器（１）と、ポンプ本体（３０）と駆動ロッド（３４）とからなり、それらの間に所定の最大容積を有するポンプ室（３３）が形成されると共に、駆動ロッド（３４）がポンプ本体（３０）内を軸方向に移動することによりポンプ室（３３）の容積が変化するように構成されたポンプ（３）と、備えた流体ディスペンサであって、前記駆動ロッド（３４）に装着された吐出管（５）を更に有しており、当該吐出管（５）は、重力によって吐出管から分離される液滴を形成する吐出口（５２）を備えると共に、前記ポンプ室（３３）の所定の最大容積は、前記吐出口（５２）から吐出される液滴の量に実質的に等しいことを特徴とする流体ディスペンサ。【選択図】 図２A fluid reservoir (1), a pump body (30), and a drive rod (34) are formed. A pump chamber (33) having a predetermined maximum volume is formed therebetween, and the drive rod (34) A pump (3) configured to change the volume of the pump chamber (33) by moving in the axial direction in the pump main body (30), and a fluid dispenser provided to the drive rod (34) The discharge pipe (5) further includes a discharge pipe (5) that includes a discharge port (52) that forms droplets separated from the discharge pipe by gravity, and the pump chamber (33). The predetermined maximum volume of () is substantially equal to the amount of liquid droplets discharged from the discharge port (52). [Selection] Figure 2

Description

本発明は、流体貯蔵器と、ポンプ本体と駆動ロッドとの間に容積可変のポンプ室が形成された在来型の手動ポンプと、を有する流体ディスペンサに関する。   The present invention relates to a fluid dispenser having a fluid reservoir and a conventional manual pump having a variable volume pump chamber formed between a pump body and a drive rod.

駆動ロッドを移動させる目的は、休止位置において所定の最大容積となるポンプ室の容積を変化させることである。この種のディスペンサは、粘度の異なる様々な流体を吐出する用途で、香水、化粧品、更には医薬の分野において非常に多く用いられている。
従来技術では、吐出管（dispenser cannula）を有するピペットの形をしたディスペンサも存在する。吐出管は、流体の液滴を形成するように作られた吐出口を有し、当該液滴は重力によって吐出管から離れる。一般に、こうした吐出管は一種の吸入バルブ（bulb）と組み合わされ、当該吸入バルブによって、吐出口から吐出管に流体を吸入することができる。 The purpose of moving the drive rod is to change the volume of the pump chamber which is a predetermined maximum volume at the rest position. This type of dispenser is used for discharging various fluids having different viscosities, and is used very often in the fields of perfume, cosmetics, and medicine.
In the prior art, there are also dispensers in the form of pipettes having a dispenser cannula. The discharge tube has a discharge port made to form a fluid droplet, and the droplet leaves the discharge tube by gravity. Generally, such a discharge pipe is combined with a kind of a suction valve (bulb), and fluid can be sucked into the discharge pipe from the discharge port by the suction valve.

その後、吐出管とそれに組み合わされた吸入バルブとを流体貯蔵器から取り外す。そして、吸入バルブを押さえて流体を一滴ずつ吐出口から送り出す、というやり方で吐出が行われる。言い換えると、流体は吐出口を通して吐出管に入り、そして出て行く。空になった後、吐出管は次回の駆動に備えて流体貯蔵器の中に戻される。これは、香水や化粧品の分野において生理水（serum）の吐出に多く用いられるピペット型のディスペンサの設計としては、全く従来と同じである。この種の、生理水を定量ずつ（すなわち一滴ずつ）吐出することができるディスペンサ／ピペットは、ユーザから高く評価される。   Thereafter, the discharge pipe and the suction valve associated therewith are removed from the fluid reservoir. Then, the discharge is performed in such a manner that the fluid is discharged from the discharge port one drop at a time by pressing the suction valve. In other words, fluid enters and exits the discharge tube through the discharge port. After emptying, the discharge tube is returned to the fluid reservoir for the next drive. This is completely the same as the conventional design of a pipette type dispenser that is often used for discharging physiological water in the field of perfume and cosmetics. This type of dispenser / pipette that can dispense physiological water in a fixed amount (ie, drop by drop) is highly appreciated by users.

しかしながら、この種のディスペンサ／ピペットには、貯蔵器に格納された流体に吐出管が浸される、という事実に関連した問題が存在する。浸された結果として、吐出管の外壁に流体が付着し、その流体が重力によって吐出口の位置に集まり、この位置で不完全あるいは完全な液滴が形成されることがある。当該不完全あるいは完全な液滴は、吐出管を取り扱う際に失われる場合もあるが、吐出される液滴の量がその分増えてしまう場合もある。そうなれば投薬量は正しい値ではなくなってしまう。いずれの場合にせよ、吐出管の外壁に付着した流体は、ディスペンサ／ピペットの正確な操作にとっては有害なだけである。加えて、口が開いた状態の貯蔵器をひっくり返してしまう危険もある。   However, this type of dispenser / pipette has problems associated with the fact that the discharge tube is immersed in the fluid stored in the reservoir. As a result of the immersion, fluid may adhere to the outer wall of the discharge pipe, and the fluid may collect at the position of the discharge port due to gravity, and an incomplete or complete droplet may be formed at this position. The incomplete or complete droplet may be lost when the discharge tube is handled, but the amount of the discharged droplet may increase accordingly. Then the dosage will not be correct. In any case, fluid adhering to the outer wall of the discharge tube is only detrimental to the correct operation of the dispenser / pipette. In addition, there is a risk of overturning the reservoir with its mouth open.

国際公開第２００９／０７３４８２号International Publication No. 2009/073482

そこで、本発明は、特に適切な新しい種類のディスペンサを定義して従来のディスペンサ／ピペットに置き換えることで、従来技術に関する上述の問題を解消することを目的とする。本発明は先ず、吐出管からの流体の損失を回避することを目的とする。本発明はまた、吐出にあたって、吐出口で霧状にすることなく、整った形状の液滴を形成することを目的とする。本発明は更に、ディスペンサの駆動を改善して、より高い精度での液滴の吐出を可能にすることを目的とする。更に加えて、本発明は、ディスペンサの貯蔵器に格納された流体の良好な状態での保存を保証することを目的とする。   Thus, the present invention aims to overcome the above-mentioned problems associated with the prior art by defining a particularly suitable new type of dispenser and replacing it with a conventional dispenser / pipette. The present invention firstly aims to avoid loss of fluid from the discharge pipe. It is another object of the present invention to form well-formed droplets without discharging into a mist at the discharge outlet. It is another object of the present invention to improve the driving of the dispenser and enable the ejection of droplets with higher accuracy. In addition, the present invention aims to ensure the good storage of the fluid stored in the dispenser reservoir.

上記目的の達成のために、本発明は、流体貯蔵器と、ポンプ本体と駆動ロッドとからなり、それらの間に所定の最大容積を有するポンプ室が形成されると共に、駆動ロッドがポンプ本体内を軸方向に移動することによりポンプ室の容積が変化するように構成されたポンプと、を備えた流体ディスペンサであって、前記駆動ロッドに装着された吐出管を更に有しており、当該吐出管は、重力によって吐出管から分離される液滴を形成する吐出口を備えると共に、前記ポンプ室の所定の最大容積は、前記吐出口から吐出される液滴の量に実質的に等しい、という流体ディスペンサを提供する。   To achieve the above object, the present invention comprises a fluid reservoir, a pump body, and a drive rod, and a pump chamber having a predetermined maximum volume is formed therebetween, and the drive rod is disposed in the pump body. And a pump configured to change the volume of the pump chamber by moving the pump in the axial direction, further comprising a discharge pipe attached to the drive rod, The tube includes a discharge port that forms droplets separated from the discharge tube by gravity, and the predetermined maximum volume of the pump chamber is substantially equal to the amount of droplets discharged from the discharge port. A fluid dispenser is provided.

従って、上述した従来技術のディスペンサ／ピペットとは異なり、流体は吐出管の中を一方向にのみ流れる。貯蔵器から出た流体は、ポンプ、駆動ロッド、それから吐出管を通過し、最終的に吐出口に送り出されて液滴の形となる。ポンプを使用するため、従来技術で通常使用されるディスペンサ／ピペットに必要な操作、すなわち、吐出管を流体貯蔵器に浸す作業が不要となる。これにより、貯蔵器から直接、あるいは吐出口の周囲に溜まった後に流体が損失する危険は排除される。加えて、ポンプ室の容積が吐出口に送り出される液滴の量と実質的に一致することの結果として、ポンプの起動のたびに１滴の流体が放出されることになる。つまり、毎回の駆動において、１滴よりも多くの液滴が放出される危険はない。   Thus, unlike the prior art dispenser / pipette described above, fluid flows in the discharge tube in only one direction. The fluid exiting the reservoir passes through the pump, the drive rod, and then the discharge pipe, and finally is sent to the discharge port to form a droplet. The use of a pump eliminates the operations required for the dispenser / pipette normally used in the prior art, i.e. the operation of immersing the discharge tube in the fluid reservoir. This eliminates the risk of fluid loss after collecting directly from the reservoir or around the outlet. In addition, as a result of the pump chamber volume substantially matching the volume of droplets delivered to the outlet, one drop of fluid is released each time the pump is activated. That is, there is no danger that more than one droplet is discharged in each driving.

本発明の別の効果的な様態では、前記吐出管は所定の内部容積を有し、前記内部容積は前記ポンプ室の前記最大容積の３乃至７倍であり、４乃至６倍とするのが好ましい。この構成では、ポンプの駆動ロッドからの流体は、相対的に充分大きな空間に到達し、吐出管内部で生じる損失水頭が大きくなることから、霧状での吐出は回避される。言い換えると、駆動ロッドを介して、ポンプによる圧力を受けて移動させられた１回分量の流体は、吐出管の内部で勢いが減衰され（damped）、その結果、吐出口において、流体は、重力によって吐出管から分離されるのに充分な量の液滴の形で吐出される。吐出管の内部容積が大きいことで、ポンプによって高められた圧力を吸収できるものと考えられる。   In another effective aspect of the present invention, the discharge pipe has a predetermined internal volume, and the internal volume is 3 to 7 times the maximum volume of the pump chamber, and is 4 to 6 times. preferable. In this configuration, the fluid from the drive rod of the pump reaches a relatively large space, and the loss head generated inside the discharge pipe becomes large, so that the discharge in the form of a mist is avoided. In other words, the single volume of fluid moved under the pressure of the pump through the drive rod is damped inside the discharge tube, so that at the discharge port the fluid is Is discharged in the form of a sufficient amount of droplets to be separated from the discharge tube. It is considered that the pressure increased by the pump can be absorbed by the large internal volume of the discharge pipe.

１つの実施の形態では、前記吐出管を透明な材料で製造し、前記透明な材料の一例はガラスであることとする。これによれば、ディスペンサの全体的な形状は、従来技術のディスペンサ／ピペットの形状にほぼ類似している、あるいは互換性がある。
また、効果的な実施の形態として、前記ポンプを駆動するための押下部材を有し、前記押下部材は前記流体貯蔵器に固定されていること、とする。これにより、押下部材が貯蔵器及びポンプ本体を移動させる。また、効果的な構成として、前記流体貯蔵器が摺動可能に内挿された外筒を有し、前記吐出管は、前記外筒に固定されていること、とする。これにより、ユーザは、外筒でディスペンサを保持し、親指で押下部材を駆動することができる。つまり、ユーザの動作は、在来型のピペットで必要とされる動作とほぼ類似又は同一である。 In one embodiment, the discharge pipe is made of a transparent material, and an example of the transparent material is glass. According to this, the overall shape of the dispenser is substantially similar to or compatible with the shape of prior art dispenser / pipette.
Further, as an effective embodiment, it is assumed that a pressing member for driving the pump is provided, and the pressing member is fixed to the fluid reservoir. As a result, the pressing member moves the reservoir and the pump body. Further, as an effective configuration, the fluid reservoir has an outer cylinder slidably inserted therein, and the discharge pipe is fixed to the outer cylinder. Thus, the user can hold the dispenser with the outer cylinder and drive the pressing member with the thumb. That is, the user's movement is almost similar or identical to that required for a conventional pipette.

本発明の別の様態として、前記流体貯蔵器は、流体が前記流体貯蔵器から取り出されるのに従って移動する従動型ピストンを有することとする。これにより、流体は決して外気と接触することはない。
また、本発明の別の特徴として、前記ポンプ室の前記最大容積は５０ｍｌから７０ｍｌの範囲にあることとする。本発明では、この容積は、吐出口から吐出される液滴の量に相当する。 In another aspect of the invention, the fluid reservoir has a driven piston that moves as fluid is removed from the fluid reservoir. Thereby, the fluid never comes into contact with the outside air.
As another feature of the present invention, the maximum volume of the pump chamber is in the range of 50 ml to 70 ml. In the present invention, this volume corresponds to the amount of liquid droplets discharged from the discharge port.

実際的な実施の形態では、前記外筒は開放された終端部と先端部とを有し、前記終端部の内部では押下部材が軸方向に移動可能であり、前記先端部内部には、前記吐出管が、移動しない状態で、かつ、前記吐出口が軸方向に突出した状態で装着されており、駆動中、前記押下部材が前記流体貯蔵器及び前記ポンプ本体を前記外筒内で移動させることにより、戻しスプリングを圧縮することとする。この構成では、当該ディスペンサは、４本の指でユーザの掌に保持される外筒を有し、親指で駆動される押下部材を有する在来型のピペットに類似したものとなる。   In a practical embodiment, the outer cylinder has an open end portion and a tip portion, and a pressing member is movable in the axial direction inside the end portion, and inside the tip portion, The discharge pipe is mounted in a state where it does not move and the discharge port protrudes in the axial direction, and the drive member moves the fluid reservoir and the pump body within the outer cylinder during driving. Thus, the return spring is compressed. In this configuration, the dispenser is similar to a conventional pipette having an outer cylinder that is held by the user's palm with four fingers and having a pressing member that is driven by the thumb.

本発明の原理の１つは、在来型のポンプを液滴吐出管と組み合わせて用いることで、従来技術のディスペンサ／ピペットに類似したディスペンサを形成する、という点にある。また、本発明のもう１つの原理として、完全な液滴が吐出管の吐出口で形成されることを保証するために、吐出管を流体減衰空間（fluid damping space）として利用する、というものがある。さらに別の原理として、貯蔵器、ポンプ、そして吐出管を格納する外筒を用いる。   One of the principles of the present invention is that a conventional pump is used in combination with a droplet discharge tube to form a dispenser similar to a prior art dispenser / pipette. Another principle of the present invention is that the discharge pipe is used as a fluid damping space in order to ensure that a complete droplet is formed at the discharge port of the discharge pipe. is there. Yet another principle is to use a reservoir, a pump, and an outer cylinder that houses the discharge tube.

以下、本発明について、非限定的な例として本発明の実施の形態を示す添付図面を参照しながら、より詳細に説明する。   Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings showing embodiments of the present invention as non-limiting examples.

本発明の流体ディスペンサを示す縦断面図である。It is a longitudinal cross-sectional view which shows the fluid dispenser of this invention. 図１の下側部分の拡大図である。It is an enlarged view of the lower part of FIG.

図面に示すディスペンサは６つの構成要素から成る。すなわち、貯蔵器１、押下部材２、ポンプ３、留めリング４、吐出管（cannula）５、そして、外筒６である。構成要素は全て長手方向軸Ｘ上に配置されている。いくつかの構成要素は、軸Ｘについて円対称となっている。
流体貯蔵器１は、内部に従動型ピストン（follower piston）１２が摺動可能に設置された、円筒形のスライドシリンダ１１を有する。貯蔵器が流体で満たされている時、従動型ピストン１２はスライドシリンダ１１の一方の端部、すなわち、ネック部１３が形成されている方の端部の反対側の端部に位置している。つまり、空間の容積は、従動型ピストン１２のスライドシリンダ１１内での移動に従って変化する。この種の貯蔵器では、貯蔵器内に格納された流体は、常に外気から保護されており、従って、劣化することはありえない。 The dispenser shown in the drawing consists of six components. That is, the reservoir 1, the pressing member 2, the pump 3, the retaining ring 4, the discharge pipe (cannula) 5, and the outer cylinder 6. All components are arranged on the longitudinal axis X. Some components are circularly symmetric about axis X.
The fluid reservoir 1 has a cylindrical slide cylinder 11 in which a follower piston 12 is slidably installed. When the reservoir is filled with fluid, the driven piston 12 is located at one end of the slide cylinder 11, that is, the end opposite to the end where the neck 13 is formed. . That is, the volume of the space changes according to the movement of the driven piston 12 in the slide cylinder 11. In this type of reservoir, the fluid stored in the reservoir is always protected from the outside air and therefore cannot be degraded.

押下部材２は、スライドシリンダ１１の端部のうちネック部１３とは反対側の端部に配置されている。すなわち、貯蔵器が流体で満たされている時には、従動型ピストン１２のすぐ上の位置にある。押下部材２はシリンダ１１に固定されている。変形例として、押下部材２を、シリンダ１１又は貯蔵器１と一体化した部品とすることも可能である。上記構成により、後述するように、押下部材２を押下することで貯蔵器１に圧力が加わる。   The pressing member 2 is disposed at the end of the slide cylinder 11 opposite to the neck 13. That is, when the reservoir is filled with fluid, it is in a position just above the driven piston 12. The pressing member 2 is fixed to the cylinder 11. As a modification, the pressing member 2 can be a part integrated with the cylinder 11 or the reservoir 1. With the above configuration, as will be described later, pressing the pressing member 2 applies pressure to the reservoir 1.

ポンプ３は、留めリング４によって貯蔵器の開口部１３に留められている。ポンプ３は、内部にポンプ室３３が形成されたポンプ本体３０を有する。ポンプ室３３の容積は可変であるが、休止状態における最大容積は予め定められている。ポンプは、ポンプ本体だけでなく、ポンプ本体３０内部で軸方向に移動する駆動ロッド３４によっても形成されている。   The pump 3 is fastened to the reservoir opening 13 by a retaining ring 4. The pump 3 has a pump body 30 in which a pump chamber 33 is formed. The volume of the pump chamber 33 is variable, but the maximum volume in the resting state is determined in advance. The pump is formed not only by the pump body but also by a drive rod 34 that moves in the axial direction inside the pump body 30.

一例として、駆動ロッド３４は、ポンプ本体３０内部を漏れの生じない状態で摺動するピストンを備えたものとすることができる。ポンプ３は入口弁３１及び出口弁を備えており、出口弁は、駆動ロッド３４に組み込まれるか、又は、固定される。上記構成により、駆動ロッド３４を押下することで、ポンプ室３３の容積は最大容積から変化する。最大容積は約５０ｍｌから７０ｍｌの範囲とする。駆動ロッド３４は、ポンプ室３３の外側に配置された戻しスプリング３５の力に逆らう形で、休止位置から移動させることができる。吐出される流体の１回分量は、ポンプ室の所定の最大容積にほぼ一致する。言い換えると、毎回の駆動のたびに、ポンプは、ポンプ室内に存在する流体のほぼ全てを吐出する。そうして、戻しスプリング３５がポンプ室３３を、所定の最大容積の状態に戻す。これは、香水、化粧品、更には医薬の分野における手動式ポンプの設計としては、戻しスプリング３５がポンプ室の外部に配置されている点を除いて、完全に従来と同じである。   As an example, the drive rod 34 may include a piston that slides inside the pump body 30 in a state where no leakage occurs. The pump 3 includes an inlet valve 31 and an outlet valve, and the outlet valve is incorporated in or fixed to the drive rod 34. With the above configuration, the volume of the pump chamber 33 is changed from the maximum volume by pressing the drive rod 34. The maximum volume is in the range of about 50 ml to 70 ml. The drive rod 34 can be moved from the rest position in a form against the force of the return spring 35 arranged outside the pump chamber 33. The single volume of fluid to be discharged substantially matches the predetermined maximum volume of the pump chamber. In other words, each time it is driven, the pump discharges almost all of the fluid present in the pump chamber. Then, the return spring 35 returns the pump chamber 33 to a predetermined maximum volume state. This is completely the same as a conventional pump design in the field of perfume, cosmetics and even medicine except that the return spring 35 is arranged outside the pump chamber.

吐出管５は、例えばガラスやプラスチック材などの、透明な材料で製造すればよい。吐出管５は軸Ｘについて完全な円対称性としてもよい。吐出管５は、ポンプ３の駆動ロッド３４の自由端の周囲に嵌合する接続スリーブ５３を有する。吐出管５のその先には、細長い円筒形主部５１が形成されており、当該円筒形主部５１の内部容積は所定の大きさとなっている。吐出管５の終端には吐出口５２が形成されている。吐出口５２は、流体の液滴を形成するように作られている。当該液滴は重力によって吐出管から離れる。吐出される液滴の量は、約５０ｍｌから７０ｍｌの範囲にあり、これはポンプ室３３の所定の最大容積と同じである。吐出管５の形状は全体的に細長く、在来型のピペットに近い。吐出管５の内部容積は、約５０ｍｌから７０ｍｌの範囲にあるポンプ室３３の最大容積の約３〜７倍に相当しており、約４〜６倍に相当するのが好ましい。言い換えると、吐出管の内部容積は、約１５０ｍｌから５００ｍｌの範囲にある。内部容積は約２００ｍｌから４００ｍｌの範囲とするのが好ましく、更に３００ｍｌとするのが好ましい。ポンプ室３３の内容物は、駆動ロッド３４からの圧力を受けて移動し、すでに流体で満たされた状態の吐出管に到達する。１回分の吐出量に対して吐出管の容積は相当に大きいことから、吐出管内に大きな損失水頭を生じさせることができる。それによって、流体が霧状に吐出される事態を回避することができる。つまり、流体は吐出管で勢いを減衰された後に、約５０ｍｌから７０ｍｌの範囲の量の液滴の形で、重力によって吐出管から離れる。   The discharge pipe 5 may be made of a transparent material such as glass or plastic material. The discharge pipe 5 may have perfect circular symmetry about the axis X. The discharge pipe 5 has a connection sleeve 53 that fits around the free end of the drive rod 34 of the pump 3. An elongated cylindrical main portion 51 is formed at the tip of the discharge pipe 5, and the internal volume of the cylindrical main portion 51 has a predetermined size. A discharge port 52 is formed at the end of the discharge pipe 5. The discharge port 52 is formed so as to form a liquid droplet. The droplet leaves the discharge pipe by gravity. The amount of liquid ejected is in the range of about 50 ml to 70 ml, which is the same as the predetermined maximum volume of the pump chamber 33. The shape of the discharge pipe 5 is generally elongated and close to a conventional pipette. The internal volume of the discharge pipe 5 corresponds to about 3 to 7 times the maximum volume of the pump chamber 33 in the range of about 50 to 70 ml, and preferably about 4 to 6 times. In other words, the internal volume of the discharge tube is in the range of about 150 ml to 500 ml. The internal volume is preferably in the range of about 200 ml to 400 ml, more preferably 300 ml. The contents of the pump chamber 33 move under the pressure from the drive rod 34 and reach the discharge pipe already filled with fluid. Since the volume of the discharge pipe is considerably large with respect to one discharge amount, a large loss head can be generated in the discharge pipe. Thereby, it is possible to avoid a situation where the fluid is ejected in a mist form. That is, the fluid is damped in the discharge tube and then leaves the discharge tube by gravity in the form of droplets in an amount ranging from about 50 ml to 70 ml.

外筒６は中空のシェルを構成しており、内部に貯蔵器１、ポンプ３、そして吐出管５の一部を収容している。外筒６の開放された上側端部には押下部材２が取付けられおり、下側端部の先には吐出管５が延びている。吐出管５は外筒６の先頭部分６５の内部に、移動しない状態で取り付けられている。外筒と吐出管とは、例えば二重射出成形（bi-injection）を用いて、単一部品として製造することもできる。貯蔵器１、ポンプ本体３０、そして留めリング４は、押下部材２の押下によって外筒６内部で軸方向に上下移動させることができ、それによってバネ３５は圧縮される。従って、ユーザは、ディスペンサを外筒６の位置で掌に保持して、親指で押下部材２を押下すればよい。つまり、駆動のやり方は従来のピペットの駆動と類似している。外筒６が貯蔵器１及びポンプ３を完全に覆い隠していることから、ユーザは、押下部材２の押下によってポンプが駆動されることすら意識しない。ユーザの認識は単に、押下部材２を押下すれば、形の整った流体の液滴が重力によって吐出管５の端部から落下するという、というものである。   The outer cylinder 6 constitutes a hollow shell, and the reservoir 1, the pump 3, and a part of the discharge pipe 5 are accommodated therein. A pressing member 2 is attached to the opened upper end of the outer cylinder 6, and a discharge pipe 5 extends beyond the lower end. The discharge pipe 5 is attached to the inside of the leading portion 65 of the outer cylinder 6 so as not to move. The outer cylinder and the discharge pipe can also be manufactured as a single part, for example using bi-injection. The reservoir 1, the pump body 30, and the retaining ring 4 can be moved up and down in the axial direction inside the outer cylinder 6 by depressing the depressing member 2, whereby the spring 35 is compressed. Therefore, the user may hold the dispenser on the palm at the position of the outer cylinder 6 and press the pressing member 2 with the thumb. That is, the driving method is similar to that of a conventional pipette. Since the outer cylinder 6 completely covers the reservoir 1 and the pump 3, the user is not even aware that the pump is driven by pressing the pressing member 2. The user simply recognizes that when the pressing member 2 is pressed, a well-formed fluid droplet falls from the end of the discharge tube 5 by gravity.

ポンプ室の容積と吐出される液滴の量とが一致していること、そして、液滴形成前に流体減衰室として機能する吐出管の内部容積が大きいことにより、ディスペンサは正確に動作する。   The dispenser operates accurately due to the matching volume of the pump chamber and the amount of ejected droplets and the large internal volume of the discharge tube that functions as a fluid damping chamber prior to droplet formation.

Claims (9)

流体貯蔵器（１）と、
ポンプ本体（３０）と駆動ロッド（３４）とからなり、それらの間に所定の最大容積を有するポンプ室（３３）が形成されると共に、駆動ロッド（３４）がポンプ本体（３０）内を軸方向に移動することによりポンプ室（３３）の容積が変化するように構成されたポンプ（３）と、
を備えた流体ディスペンサであって、
前記駆動ロッド（３４）に装着された吐出管（５）を更に有しており、
当該吐出管（５）は、重力によって吐出管から分離される液滴を形成する吐出口（５２）を備えると共に、
前記ポンプ室（３３）の所定の最大容積は、前記吐出口（５２）から吐出される液滴の量に実質的に等しいこと
を特徴とする流体ディスペンサ。 A fluid reservoir (1);
A pump chamber (33) having a predetermined maximum volume is formed between the pump body (30) and the drive rod (34), and the drive rod (34) is pivoted in the pump body (30). A pump (3) configured to change the volume of the pump chamber (33) by moving in the direction;
A fluid dispenser comprising:
A discharge pipe (5) attached to the drive rod (34);
The discharge pipe (5) includes a discharge port (52) for forming droplets separated from the discharge pipe by gravity,
The fluid dispenser according to claim 1, wherein the predetermined maximum volume of the pump chamber (33) is substantially equal to an amount of liquid droplets discharged from the discharge port (52). 前記吐出管(５)は所定の内部容積を有し、前記内部容積は前記ポンプ室（３３）の前記最大容積の３乃至７倍であり、４乃至６倍とするのが好ましいこと、
を特徴とする請求項１に記載の流体ディスペンサ。 The discharge pipe (5) has a predetermined internal volume, and the internal volume is 3 to 7 times the maximum volume of the pump chamber (33), preferably 4 to 6 times,
The fluid dispenser according to claim 1. 前記吐出管(５)は透明な材料で製造されており、前記透明な材料の一例はガラスであること、
を特徴とする請求項１又は２に記載の流体ディスペンサ。 The discharge pipe (5) is made of a transparent material, and an example of the transparent material is glass.
The fluid dispenser according to claim 1 or 2. 前記吐出管(５)は細長く、そのため、全体的にはピペットの形状を有すること、
を特徴とする請求項１乃至３のいずれか一項に記載の流体ディスペンサ。 The discharge pipe (5) is elongated, and therefore has a pipette shape as a whole,
The fluid dispenser according to any one of claims 1 to 3. 前記ポンプ(３)を駆動するための押下部材(２)を有し、前記押下部材(２)は前記流体貯蔵器(１)に固定されていること、
を特徴とする請求項１乃至４のいずれか一項に記載の流体ディスペンサ。 A pressing member (2) for driving the pump (3), the pressing member (2) being fixed to the fluid reservoir (1);
The fluid dispenser according to any one of claims 1 to 4. 前記流体貯蔵器(１)が摺動可能に内挿された外筒(６)を有し、前記吐出管(５)は、前記外筒(６)に固定されており、望ましくは二重射出成形によって前記外筒と共に製造されたものであること、
を特徴とする請求項１乃至５のいずれか一項に記載の流体ディスペンサ。 The fluid reservoir (1) has an outer cylinder (6) slidably inserted therein, and the discharge pipe (5) is fixed to the outer cylinder (6), preferably double injection Manufactured with the outer cylinder by molding,
The fluid dispenser according to any one of claims 1 to 5. 前記外筒(６)は開放された終端部（６２）と先端部（６５）とを有し、前記終端部の内部では押下部材(２)が軸方向に移動可能であり、前記先端部内部には、前記吐出管(５)が、移動しない状態で、かつ、前記吐出口（５２）が軸方向に突出した状態で装着されており、
駆動中、前記押下部材(２)が前記流体貯蔵器(１)及び前記ポンプ本体（３０）を前記外筒(６)内で移動させることにより、戻しスプリング（３５）を圧縮すること、
を特徴とする請求項６に記載の流体ディスペンサ。 The outer cylinder (6) has an open end portion (62) and a tip end portion (65), and a pressing member (2) is movable in the axial direction inside the end portion, The discharge pipe (5) is mounted in a state in which it does not move and the discharge port (52) protrudes in the axial direction,
During operation, the pressing member (2) compresses the return spring (35) by moving the fluid reservoir (1) and the pump body (30) within the outer cylinder (6);
The fluid dispenser of claim 6. 前記流体貯蔵器(１)は、流体が前記流体貯蔵器から取り出されるのに従って移動する従動型ピストン(１２)を有すること、
を特徴とする請求項１乃至７のいずれか一項に記載の流体ディスペンサ。 The fluid reservoir (1) has a driven piston (12) that moves as fluid is removed from the fluid reservoir;
The fluid dispenser according to any one of claims 1 to 7. 前記ポンプ室（３３）の前記最大容積は５０ｍｌから７０ｍｌの範囲にあること、
を特徴とする請求項１乃至８のいずれか一項に記載の流体ディスペンサ。 The maximum volume of the pump chamber (33) is in the range of 50 ml to 70 ml;
The fluid dispenser according to any one of claims 1 to 8.
JP2014522139A 2011-07-25 2012-07-23 Fluid dispenser Expired - Fee Related JP6087919B2 (en)

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FR1156778A FR2978431B1 (en) 2011-07-25 2011-07-25 FLUID PRODUCT DISPENSER
PCT/FR2012/051744 WO2013014384A1 (en) 2011-07-25 2012-07-23 Fluid-product dispenser

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JP6087919B2 (en) 2017-03-01
FR2978431A1 (en) 2013-02-01

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